#3F4096

#3F4096

Color Values

HEX

#3F4096

RGB

63, 64, 150

HSL

239.3, 40.8%, 41.8%

HSV

239.3, 58.0%, 58.8%

CMYK

58.0%, 57.3%, 0.0%, 41.2%

OKLCH

0.421 0.1378 278.2

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#3F4096

#96953F

Analogous

#3F6C96

#6A3F96

#3F4096

Triadic

#3F4096

#963F40

#40963F

Split Complementary

#3F4096

#966A3F

#6C963F

Tetradic

#3F4096

#963F6C

#96953F

#3F966A

Color Blindness Simulation

Original

#3F4096

Protanopia

#3F3F81

Deuteranopia

#3F3F7C

Tritanopia

#3F716D

Achromatopsia

#464646

CSS Usage

background-color: #3F4096;
color: #3F4096;
border-color: #3F4096;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E7F3
200
#CDCDEA
300
#A9A9DB
400
#7A7BC7
500
#4B4DB4
600
#3C3D90
700
#303173
800
#26265A
900
#1F1F42
950
#13142A

Contrast Checker

Text on white

8.8:1

AA Pass AAA Pass

Text on black

2.39:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026